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By:Type: ArticleIn: DelascanVolume: 1961Series:Issue:Date: 1961Page Range: 2Publication Info: [Arcadia, Calif, California Arboretum Foundation, Inc.], 1960-1969Subjects: Safety Work environment -- California -- Safety measures
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By:Type: ArticleIn: Newsletter Arboreta and Botanic GardensVolume: 1973:Sep.10Series:Issue:Date: 1973Page Range: 1Publication Info: Arcadia, County of Los Angeles, Public Services Division,Subjects: Work environment -- California -- Safety measures